Home / 295,068.20-442,731.90-137,215.40

Finding the Fourth Proportional to 295,068.20, 442,731.90 and 137,215.40

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Solution

The fourth proportional to 295,068.20, 442,731.90 and 137,215.40 is: 205,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,068.20 : 442,731.90 = 137,215.40 : x
  2. Step 2: Convert to fraction form
    295,068.20/442,731.90 = 137,215.40/x
  3. Step 3: Cross multiply
    295,068.20x = 442,731.90 × 137,215.40
  4. Step 4: Simplify right side
    295,068.20x = 60,749,634,751.26
  5. Step 5: Solve for x
    x = 60,749,634,751.26/295,068.20
  6. Step 6: Final answer
    x = 205,883.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.